Home / 1,143,855.78-1,578,516.17-634,558.16

Finding the Fourth Proportional to 1,143,855.78, 1,578,516.17 and 634,558.16

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Solution

The fourth proportional to 1,143,855.78, 1,578,516.17 and 634,558.16 is: 875,687.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,143,855.78 : 1,578,516.17 = 634,558.16 : x
  2. Step 2: Convert to fraction form
    1,143,855.78/1,578,516.17 = 634,558.16/x
  3. Step 3: Cross multiply
    1,143,855.78x = 1,578,516.17 × 634,558.16
  4. Step 4: Simplify right side
    1,143,855.78x = 1,001,660,305,300.08
  5. Step 5: Solve for x
    x = 1,001,660,305,300.08/1,143,855.78
  6. Step 6: Final answer
    x = 875,687.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.